Fix confusing GCC version string

Registered by Joey Ye

Current version message from arm-none-eabi-gcc -v is:
gcc version 4.6.2 20110921 (release) [ARM/embedded-4_6-branch revision 182083] (GNU Tools for ARM Embedded Processors)

The date means when the branch was merged with 4.6 official branch. It is confusing to users so need to redefine it.

Blueprint information

Status:
Complete
Approver:
None
Priority:
Medium
Drafter:
None
Direction:
Approved
Assignee:
chengbin
Definition:
New
Series goal:
Accepted for 4.6
Implementation:
Implemented
Milestone target:
None
Started by
Joey Ye
Completed by
Joey Ye

Related branches

Sprints

Whiteboard

(?)

Work Items

This blueprint contains Public information 
Everyone can see this information.

Subscribers

No subscribers.